include/osmocom/bsc/osmo_bsc_lcls.h

#pragma once

#include "gsm_data.h"

#include <osmocom/core/fsm.h>

enum lcls_fsm_state {
	ST_NO_LCLS,
	ST_NOT_YET_LS,
	ST_NOT_POSSIBLE_LS,
	ST_NO_LONGER_LS,
	ST_REQ_LCLS_NOT_SUPP,
	ST_LOCALLY_SWITCHED,
	/* locally switched; received remote break; wait for "local" break */
	ST_LOCALLY_SWITCHED_WAIT_BREAK,
	/* locally switched; received break; wait for "other" break */
	ST_LOCALLY_SWITCHED_WAIT_OTHER_BREAK,
};

enum lcls_event {
	/* update LCLS config/control based on some BSSMAP signaling */
	LCLS_EV_UPDATE_CFG_CSC,
	/* apply LCLS config/control */
	LCLS_EV_APPLY_CFG_CSC,
	/* we have been identified as the correlation peer of another conn */
	LCLS_EV_CORRELATED,
	/* "other" LCLS connection has enabled local switching */
	LCLS_EV_OTHER_ENABLED,
	/* "other" LCLS connection is breaking local switch */
	LCLS_EV_OTHER_BREAK,
	/* "other" LCLS connection is dying */
	LCLS_EV_OTHER_DEAD,
};

enum bsc_lcls_mode {
	BSC_LCLS_MODE_DISABLED,
	BSC_LCLS_MODE_MGW_LOOP,
	BSC_LCLS_MODE_BTS_LOOP,
};

extern const struct value_string bsc_lcls_mode_names[];

static inline const char *bsc_lcls_mode_name(enum bsc_lcls_mode m)
{
	return get_value_string(bsc_lcls_mode_names, m);
}

enum gsm0808_lcls_status lcls_get_status(const struct gsm_subscriber_connection *conn);

void lcls_update_config(struct gsm_subscriber_connection *conn,
			const uint8_t *config, const uint8_t *control);

void lcls_apply_config(struct gsm_subscriber_connection *conn);

extern struct osmo_fsm lcls_fsm;